Exception Handler

Here we are going to start a exception handler of handling the occurance of error.

To start the exception we must know a few info about the try{} catch() and finally{}.

This try helps is to try any operation and if there appears any error then it directly goes to the catch() method to check either the error matches with the exception defined at catch(). If no any catch is found then it directly goes to finally{} method for end of try{} method.

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Accepting Keyboard Input

First of all we need to know that in java for printing the line we use following command:

While we code the System then it is related with input and output and all the hardware conf.
Then the keyword out defines about the display of the line.
Now we need to input instead of output.
So just code by following ways:
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